export default function (timestamp,showTime=false) {
    const date = new Date(+timestamp);
    const month = (date.getMonth() +1).toString().padStart(2,"0")
    const day = (date.getDate()).toString().padStart(2,"0")
    let str =  `${date.getFullYear()}-${month}-${day}`
    if(showTime){
        const hour = date.getHours().toString().padStart(2,"0");
        const minute = date.getMinutes().toString().padStart(2,"0");
        const second = date.getSeconds().toString().padStart(2,"0");
        str += ` ${hour}:${minute}:${second}`
    }
    return str
}